Method For Treating Conduit To Improve Flow Characteristic And Resulting Conduit Product

Author:  Avery Jr., Hugh E.
Source:  US Patent 4,230,426
Doc ID:  1980008
Year of Publication:  1980
Abstract:  
A method of reducing the formation of fines and streamers in connection with the gas conveying of plastic particles (and the resulting conveying apparatus), characterized by the maintenance of particular acute angle relationships between the longitudinal flow direction of particles and the impact direction of shot-peening previously used to condition pipe section interior wall means.